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Scalar Fields

All articles tagged with #scalar fields

science10 days ago•7 min saved

Theoretical Physicists Reveal How Black Holes May Shed Their 'Hair' to Form Boson Stars

A new study by researchers at the University of Aveiro suggests that black holes surrounded by scalar fields, or 'hair,' can undergo a process called fission. In this scenario, the black hole separates from its surrounding matter, leaving behind a stable boson star. This theoretical decay mode challenges previous assumptions about the stability of such systems and could produce detectable gravitational wave signals.

via ScienceAlert|

#black-holes #boson-stars #gravitational-waves

science1 year ago•13 min saved

Unveiling Scalar Fields: The Hidden Force in Physics

Scalar fields, fundamental in theoretical physics, represent the simplest type of field, providing a single value at each point in space and time, such as height above sea level. In contrast, vector fields include direction, essential for describing forces and motion. More complex phenomena, like spacetime curvature in Einstein's theory of relativity, require tensor fields. Scalar fields are crucial in both classical and quantum physics, but string theory's challenge lies in reconciling its extra scalar components with the observed tensor nature of spacetime.

via Big Think|

#einstein #scalar-fields #science

science-and-astronomy3 years ago•4 min saved

"Revolutionary Theory: Black Holes Allow Information Escape, Defying Gravity"

A new theory of gravity called teleparallel gravity, which focuses on the "twistiness" of space-time rather than its curvature, offers a potential solution to the problem of black hole "hairiness." In this theory, scalar fields can be added to general relativity, giving black holes some hair in the form of a strong scalar field near their event horizons. This scalar field carries information about the black hole, allowing scientists to learn more about them without having to physically explore their interiors. Further research and observations, such as gravitational wave observations, are needed to confirm these findings.

via Space.com|

#astrophysics #black-holes #general-relativity

science3 years ago•3 min saved

"Revolutionary Theory: Black Holes Allow Information Escape, Defying Gravity"

A new theory of gravity called teleparallel gravity, which focuses on the "twistiness" of space-time rather than its curvature, suggests that black holes may have "hair" after all. In this theory, scalar fields can be added to general relativity, giving black holes a strong scalar field near their event horizons that carries information about the black hole. This could provide scientists with a way to understand more about black holes without having to physically explore them. Further research and observations are needed to confirm these findings.

via Yahoo News|

#astrophysics #black-holes #general-relativity

science3 years ago•3 min saved

"Revolutionary Theory: Black Holes Allow Information Escape, Defying Gravity"

A new theory of gravity called teleparallel gravity, which focuses on the "twistiness" of space-time rather than its curvature, suggests that black holes may have "hair" after all. In this theory, scalar fields can be added to general relativity, giving black holes a strong scalar field near their event horizon that carries information about the black hole. This could provide scientists with a way to understand more about black holes without having to physically explore them. Further research is needed to explore the observational consequences of this theory, potentially through gravitational wave observations.

via Livescience.com|

#astrophysics #black-holes #general-relativity